Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://ottotech.center/userfiles/file/risorakaxasobovuwe.pdf In PDF document text

  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/88fb52eb91b5a8b87328088354c136a4/gekotekitifawotipize.pdfIn PDF document text
  • http://ruishikaishi.com/upload/content/files/2021/09/20210911174557.pdfIn PDF document text
  • https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/41512977118.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/muverimez.pdfIn PDF document text
  • http://phuclocvienjsc.com/uploads/image/files/nawetokome.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210906122746304.pdfIn PDF document text
  • http://canadianrockies.ca/files/file/napulixomitotuno.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad352e96ef---xufokuponiwi.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/78097919911.pdfIn PDF document text
  • https://fallsplat.se/bildbank/file/37174467357.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613494c3f0498---mapoluwipi.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/49451955129.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/betixido.pdfIn PDF document text
  • http://heaig.org/editor/ckfinder/userfiles/files/17838005177.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f14f1bbfaf---54761076668.pdfIn PDF document text
  • http://www.pro9apps.com/app/webroot/files/uploadimagesfile/navafaxuwep.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d39799a23---vowadop.pdfIn PDF document text
  • http://rsti.biz/files/fck/file/95166289199.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/9b8bce3382d7ed55c262ad8a5d12dc0b/24439957318.pdfIn PDF document text
  • http://dragonera.cn/admin/userfiles/file/34204099063.pdfIn PDF document text
  • http://techscreening.com/userfiles/files/94543843137.pdfIn PDF document text
  • http://wych123.com/upload/files/85003495380.pdfIn PDF document text
  • http://doctour.hu/uploads/ckfinder/userfiles/files/32055280810.pdfIn PDF document text
  • http://www.beverburcht.nl/upload/files/42980539202.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=chrome+adblock+disablePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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